Finding the Fourth Proportional to 989,940.96, 1,366,138.98 and 560,220.98
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Solution
The fourth proportional to 989,940.96, 1,366,138.98 and 560,220.98 is: 773,116.52
Step by Step Solution
- Step 1: Write the proportion equation
989,940.96 : 1,366,138.98 = 560,220.98 : x - Step 2: Convert to fraction form
989,940.96/1,366,138.98 = 560,220.98/x - Step 3: Cross multiply
989,940.96x = 1,366,138.98 × 560,220.98 - Step 4: Simplify right side
989,940.96x = 765,339,711,361.11 - Step 5: Solve for x
x = 765,339,711,361.11/989,940.96 - Step 6: Final answer
x = 773,116.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.